Machine tool control



June 29, 1965 Filed June a, 1961 H. R. FERNBACH MACHINE TOOL CONTROL 21 Sheets-Sheet 1 A Y .Q

AT ORNEY INVENTOR- HANS RAINER FERNBACH June 29, 1965 H. R. FERNBACH 3,191,410

- mourns TOOL CONTROL 7 Filed June 8, 1961 21 Sheets-Sheet 2 WIRES ii INVENTOR HANS RAINERFERNBAG.

June 29, 1965 MACHINE TOOL CONTROL Filed June 8, 1961 H. R. FERNBACH 21 Sheets-Sheet 3 DIIAL SUBTRACT Wm H 1 o .E l was:

49 was (n- 59) mveuron HANS RAINER FERNBACH $111629, 1965 H. R. FERNBACH 3,191,410

MACHINE TOOL CONTROL Filed June 8, 1961 21 Sheets-Sliget 4 INVENTOR HANS RAINERFERNBACH BY I, 11/

June 29, 1965 H. R. FERNBAC1-l 3,191,410

MACHINE TOOL CONTROL I Filed June 8, 1961 21 Sheets-Sheet 5 }/MCS1 mmrn- '5 v mvsnfoa F l G- --"-HAN$ RAIN'ER FERNBACH Filed June 8, 1961 21 Sheets-Sheet 6 I NV ENT OR FIG.6.

mus RAINER FgnuaAcn nroauvs June 29, 1965 H. R. FERNBACH MACHINE TOOL- CONTROL Fild June 8, 1961 FIG. 7.

21 Sheets-Sheet '7 PUMP B CONTROL LEADS INVENTOR 9 HANS RAINER FENBACH June 29, 1965 FER 3,191,410

MACHINE TOOL CONTROL Filed June 8, 1961 21 Sheets-Sheet 8 V 5i 1 5a DB5 g 3 x13 T0 FIG .|3.

INVENTOR HANS RAINER FERNBACH June 29, 1965 H. R. FERNBACH 3,191,410

' MACHINE TOOL CONTROL Filed June 8, I961 21 Sheets-Sheet 9 FIG.9.

IVN VENTOR HANS RAIIIER-FERNBACH June 29, 1965 H. R. Fzmuewm 3,191,410

MACHINE TOOL CONTROL v Filed June 8, 1961 21 Sheets-Sheet: 10

1 cs LC6 F I G. 10.

INVENTOR HANS R men FERNBACH ATTORNEYS June 29,19 5 H. R. FERN BACH 3,191,410

MACHINE TOOL CONTROL' Filed June 8, 1961 21. Sheets-Sheet 11 M K 3 Big START M CS 2 KEY 49 21 Sheets-Sheet 12' Filed June 8, 1961 T0 FIG.6

l N V E N 1' OR HAN S R Al NE R FERNBACH Jun 29, 1965 Filed June a; 1961 MACHINE TOOL CONTROL H. R. FERNBACH I 3,191,410

21 Sheets-Sheet 13 TO FIG. 8

Mimi Y ntbmmrs June 29, 1965 .H. R. FERNBACH 3,191,410

, mcrmm TOOL 001111101- Filed June a; 1961 i 21 Shets-Sheet 15 FIGJSP IVEN TOR HANS RAINER FERNBACH June 1965 H. R. FERNBACH 3,191,410

mcamm 'rooL common Filed Juhe s, 1961 '21 Sheets-Sheet 1G TMBK} ,CTo PREVIOUS SET KEY AS IN FIG.14.

TIN

$122 I FIG 16 INVENITOR,

HANS RAINERFERNBACH av I I ATTORNEYS June 29, 1965 FERNBACH 3,191,410

MACHINE TOOL CONTROL Fiied June 8, 1961 21 Shets-Sheet 17 T0 FIGJO. 7 WIRES T0 FIG. H.+

ro F|G.16. vwmes MKS T0 F l G. 8

SKL

v LMik 5 SET Q LIN l-O l) T 2 +0 LS123 v FIG-17. 'INVENTOR H ANS R AINER FERNBACH June .29, 1965 H. R. FERNBACH MACHINE TOOL CONTROL 21 Sheets-Sheet 18 Filed June 8, 1961 FIG.18.

HANS RAI 21 Sheets-Sheet 19 Filed June 8, 1961 FI G.19.I

INVENTORW HANS RAINER FERNBACH J1me 1965 H. R. FERNBACH 3,

MACHINE TOOL CONTROL Filed June 8, 1961 21 Sheets-Sheet 20 8 9 I0 I I l2 l3 l4 15 I6 l7 l8 l9 FIG. 20.

INV ENTOR HANS R AINER FERNBACH 

1. A METAL EXTRUSION PRESS COMPRISING A MAIN RAM, HYDRAULIC MEANS FOR DRIVING SAID RAM, A PLURALITY OF CONTROL DEVICES REGULATING THE SUPPLY OF LIQUID TO THE HYDRAULIC MEANS, THE SPEED OF THE RAM BEING VARIABLE BY THE USE OF DIFFERENT COMBINATIONS OF SAID CONTROL DEVICES, AND ELECTRICAL CONTROL EQUIPMENT COMPRISING A PLURALITY OF STAGE SWITCHES, SWITCH-OPERATING MEANS MOVABLE TOGETHER WITH THE RAM AND ARRANGED TO OPERATE SAID STAGE SWITCHES IN TURN DURING A CYCLE OF THE PRESS, AND SELECTOR MEANS OPERATING DIFFERENT GROUPS OF SAID CONTROL DEVICES IN RESPONSE TO ACTUATION OF DIFFERENT STAGE SWITCHES BY SAID SWITCH-OPERATING MEANS, SAID ELECTRICAL CONTROL EQUIPMENT FURTHER COMPRISING MULTI-POSITION SWITCHES EACH PROVIDING A NUMBER OF CONTROL PATH AT EACH POSITION, FOR CONTROLLING THE OPERATION OF EACH OF SAID CONTROL DEVICES, AND INTERCONNECTIONS BETWEEN EACH POSITION OF EACH SAID MUTLI-POSITION SWITCH AND SAID CONTROL DEVICES, WHEREBY DIFFERENT COMBINATIONS OF SAID CONTROL DEVICES ARE RENDERED OPERATIVE VIA DIFFERENT POSITIONS OF EACH OF SAID MUTLIPOSITION SWITCHES AND WHEREBY THE SPEED OF THE RAM IS VARIED IN A PREDETERMINED SEQUENCE DURING THE CYCLE OF THE PRESS. 